<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>事件监听器</title>
	<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
	<div id="app-5">
		<p>{{message}}</p>
		<button v-on:click="reverseMessage">逆转消息</button>
	</div>
	<script type="text/javascript">
		var app5 = new Vue({
			el:'#app-5',
			data:{
				message:'Hello World'
			},
			methods:{
				reverseMessage:function(){
					this.message = this.message.split('').reverse().join('')
				}
			}
		})
	</script>
</body>
</html>